<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>权限管理系统</title>
</head>
<body>
<frameset rows="10%,90%">
    <frame src="/system/top">
    <frameset cols="25%,75%">
        <frame src="/system/left">
        <frame src="/system/right">
    </frameset>
</frameset>
</body>
</html>